I seen people asking to make the demonic bone dragon into an snpc so i decided to make it for people i give credit to Wyrmdraken: for the materialXystus234: for the scriptsand me for uploading I hope u enjoy it :)delet any old version of blood dragon snpc it doesn't work

This download looks like an addon. You need to extract the downloaded zip and put the addon folder in your Garry's Mod addons folder. You should end up with a directory structure similar to below: